The first incursion of the Northmen took place in A.D.
By securing a loan from the Church and suspending the corn-distribution at Constantinople, he raised sufficient funds for war, and after making a treaty with the Avars, who had nearly surprised the capital during an incursion in 619, he was at last able to take the field against Persia.
The Servian incursion was followed by a great Albanian emigration to the southern regions of the Peninsula.
Af ter spending the winter in organizing a cavalry force, he made a successful incursion into Lydia in the spring of 395.
The confusion was aggravated by the incursion of the Gauls into the Balkan Peninsula in 279; Ptolemy Ceraunus perished, and a period of complete anarchy succeeded in Macedonia.